Base | Representation |
---|---|
bin | 11100101010010011… |
… | …111101001110010010 |
3 | 2221102201220222102202 |
4 | 130222103331032102 |
5 | 1001011302130100 |
6 | 22045423243202 |
7 | 2136424112660 |
oct | 345223751622 |
9 | 87381828382 |
10 | 30774645650 |
11 | 12062537851 |
12 | 5b6a449502 |
13 | 2b95a0b6c8 |
14 | 16bd293c30 |
15 | c01b437d5 |
hex | 72a4fd392 |
30774645650 has 96 divisors (see below), whose sum is σ = 66184013952. Its totient is φ = 10428480000.
The previous prime is 30774645647. The next prime is 30774645653. The reversal of 30774645650 is 5654647703.
It is an interprime number because it is at equal distance from previous prime (30774645647) and next prime (30774645653).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30774645595 and 30774645604.
It is not an unprimeable number, because it can be changed into a prime (30774645653) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12034172 + ... + 12036728.
It is an arithmetic number, because the mean of its divisors is an integer number (689416812).
Almost surely, 230774645650 is an apocalyptic number.
30774645650 is an abundant number, since it is smaller than the sum of its proper divisors (35409368302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30774645650 is a wasteful number, since it uses less digits than its factorization.
30774645650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2964 (or 2959 counting only the distinct ones).
The product of its (nonzero) digits is 2116800, while the sum is 47.
The spelling of 30774645650 in words is "thirty billion, seven hundred seventy-four million, six hundred forty-five thousand, six hundred fifty".
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